1122120423 has 48 divisors (see below), whose sum is σ = 1743685632. Its totient is φ = 694008000.

The previous prime is 1122120401. The next prime is 1122120427. The reversal of 1122120423 is 3240212211.

It is a happy number.

1122120423 is a `hidden beast` number, since 1 + 1 + 221 + 20 + 423 = 666.

It is not a de Polignac number, because 1122120423 - 2⁶ = 1122120359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122120396 and 1122120405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122120427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 732168 + ... + 733698.

It is an arithmetic number, because the mean of its divisors is an integer number (36326784).

Almost surely, 2^1122120423 is an apocalyptic number.

1122120423 is a deficient number, since it is larger than the sum of its proper divisors (621565209).

1122120423 is a wasteful number, since it uses less digits than its factorization.

1122120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1122120423 is about 33498.0659590968. The cubic root of 1122120423 is about 1039.1537812553.

Adding to 1122120423 its reverse (3240212211), we get a palindrome (4362332634).

The spelling of 1122120423 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, four hundred twenty-three".